Pentastar

Automotive engineers are very good at incremental improvements to existing technologies, and that skill will be much tested in meeting increasingly stiff fuel-economy rules between now and 2025. For the 2016 model year, Chrysler has extensively re-engineered its Pentastar V-6 engine, a mainstay powerplant in the light trucks that comprise the majority of its sales. From Jeeps to minivans to crossover utility vehicles to sedans, the Pentastar has to get more fuel-efficient to keep Fiat Chrysler Automobiles in compliance with the Corporate Average Fuel Economy mandates. DON'T MISS: 2014 Jeep...